Bogs Women's Classic High Bloom Waterproof Boot 100% Neoprene Rubber sole Shaft measures approximately 12 1/2" from arch Heel measures approximately 1 1/2" Platform measures approximately 3/4" Boot opening measures approximately 14 1/2" around Waterproof Aegis anti-microbial lining for odor protection Perforated insoles and non-slip outer soles provide superior comfort and fit Four way stretch inner bootie that doesn't need breaking in Unconditional satisfaction guarantee